I don't think the soot in the exhaust is anything other than normal? Got a photo? Like I mentioned, with oil consumption as you describe, you'd expect the exhaust to look like that of a 2-stroke with an oily residue evident.
If the plug clean, the airbox is dry, there are no visible oil leaks and you're not leaving a trail of blue smoke, then I can't think that it can possibly be using that much oil. The only other place it could go is into the coolant, but you would have definitely noticed it! Also there would be other obvious running/cooling problems.
Quote:
Originally Posted by
aellis161
The only thing that seems logical is I monumentally screwed up the quantity when refilling the oil after the change.
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I guess the above does sound the most likely given the lack of other symptoms of heavy oil use? The only way to find out is to change/refill the oil again, make sure it's reading on the top mark of the dipstick (after a few minutes running) and then ride the bike whilst keeping a close eye on it. With a bit of luck, the level won't drop and you'll be to go on your trip?